US2980256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming pool filtering and vacuum cleaning system
Assignee: Jacuzzi Brothers Inc
•
Filing: 1958-03-27
•
Granted: 1961-04-18
•
Expires: 1978-03-27
Abstract
No abstract record available.
Inventors
- 👤 Floyd M Nash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:26
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/12; E04H4/1209; B; B01; B01D; B01D29/00; B01D29/11; B01D29/13; B01D29/23; B01D29/50; B01D29/52; B01D29/62; B01D29/66; B01D29/68; B01D29/682; B01D29/688; E04H4/14; E04H4/16; E04H4/1618; E04H4/1636; E04H4/1645; B01D2201/00; B01D2201/04; B01D2201/043; B01D2201/0446
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |